4&5Pack Women's Winter Thermal Fleece Lined Socks 85%Acrylic, 7%Wool, 8%Polyesters Fleece lined thermal socks, Mini-crew length Small size fits Women shoe 5-7US, size runs small Using an intense brushing process produces a soft brushed inner fabric that maximizes the amount of warm air held inside the socks for all-day warmth and comfort Made in Korea